The present invention relates to the use of 3β-hydroxychlormadinone acetate (17α-acetoxychloropregna-4,6-dien-3β-ol-20-one) and/or 3α-hydroxychlormadinone acetate (17α-acetoxychloropregna-4,6-dien-3α-ol-20-one) for producing a medicament for treating skin, preferably human skin by means of topical application, and to a pharmaceutical or cosmetic composition containing 3β-hydroxychlormadinone acetate and/or 3α-hydroxychlormadinone acetate.